Flexible Manhole Connection

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Flexible Manhole Connection

Raw Materials: PE100, PE100RC
Standards: ISO4427, EN12201, AS/NZS4129
Diameter : DN110~1400mm
Pressure Rating : SDR26-SDR6
Certificates: CE, ISO, WRAS, UL
Color: Black, colors can be customized

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PP fitting
Welding Machine

Product Overview

Flexible Manhole Connection is an innovative connection solution designed for drainage pipe engineering. It is made of high-density polyethylene (HDPE) material and can effectively solve the leakage problem caused by traditional rigid connections. The system can adapt to pipe displacement through a unique flexible design to ensure long-term reliable sealing performance.

Flexible Manhole Connection (1)
 
Flexible Manhole Connection (4)
 

Flexible Manhole Connection Advantages

Excellent sealing performance: multiple sealing structure design, waterproof level reaches IP68 standard

Excellent flexibility: can withstand ±5° angle deviation and ±20mm axial displacement

Long-lasting durability: HDPE material is corrosion-resistant and has a service life of more than 50 years

Easy to install: standardized design, construction efficiency increased by more than 40%

Economic and environmentally friendly: low maintenance cost, materials can be 100% recycled

Technical parameters

ItemParameter
MaterialPE100 or PE100RC grade HDPE
Applicable DiameterDN110–DN1400
Operating Temperature-30°C to +60°C
Sealing Pressure0.5 MPa
Seismic ResistanceCan withstand magnitude 8 earthquake

Flexible Manhole Connection structural features

Socket kit:

Reinforced rib design to improve structural strength

Built-in stainless steel retaining ring to ensure firm bonding with concrete

Special surface treatment to enhance bonding with concrete

Interface kit:

Multi-layer sealing design (rubber ring + water-expanding water stop strip)

Electrofusion connection area with temperature indicator strip

Anti-dislocation guide structure

Application areas

Municipal drainage network system

Pipeline connection of sewage treatment plant

Underground integrated pipe gallery

Industrial wastewater discharge system

Rainwater collection and utilization project

Key points for installing Flexible Manhole Connection

Buried socket kit before concrete pouring

Ensure that the connection parts are clean and dry

Electrofusion connection according to standard procedures

Air tightness test is required after installation

Pay attention to protecting the connection parts when backfilling

Quality assurance

The product complies with the requirements of GB/T 19472.2-2017 standard and provides 10-year quality assurance. We can also provide the following according to project requirements:

Special size customization service

Design of different pressure levels

Project site technical guidance

Professional installation training

Flexible Manhole Connection is gradually replacing traditional connection methods with its reliable performance and convenient installation features, and has become the preferred solution for modern drainage projects.

Manhole Connection Product Specification

Pipe DN(mm)SDRD(mm)L(mm)L1(mm)D1(mm)D2(mm)L2(mm)
1101713620065170136135
1601719222085230192135
1801721822085260218135
2001723622085280236135
2501728622085336286135
2801732222085374322135
3151735522085419355135
3551739927070459399200
4001744827070512448200
4501750427070574504200
5001755627070632556200
5601761627070718616200
6301769627070806696200
7101779027070908790200
80017890270701018890200
90017992270701132992200
10001711122707012621112200
12001713242707014961324200
14001715542707017501554200

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